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Net Income (Loss) Per Share | 12 Months Ended
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Dec. 31, 2012
Net Income (Loss) Per Share | NOTE 16: NET INCOME (LOSS) PER SHARE Basic net income (loss) per share is computed by dividing the net income (loss) attributable to common stockholders for the applicable period by the weighted average number of common shares outstanding during the period. In the years ended December 31, 2012, 2011 and 2010, there were 14,136,804, 14,770,995 and 18,774,438, respectively, of potentially dilutive shares, consisting of options, restricted stock units and employee stock purchase plan awards, excluded from the net income (loss) per share computations because their effect was antidilutive. The following table presents the calculation of basic and diluted net income per share (in thousands, except per share amounts):
|  | December 31, |
|  | 2012 |  |  | 2011 |  |  | 2010 |
Net income (loss) (numerator) |  | $ | (10,937 | ) |  | $ | 8,779 |  |  | $ | (4,335 | )
Shares calculation (denominator): |  |  |  |  |  |  |  |  |  |  |  |
Weighted average shares outstanding — basic |  |  | 116,457 |  |  |  | 115,175 |  |  |  | 101,487 |
Effect of Dilutive Securities: |  |  |  |  |  |  |  |  |  |  |  |
Potential common stock relating to stock options, restricted stock units and ESPP |  |  | — |  |  |  | 1,252 |  |  |  | — |
Weighted averages shares outstanding — diluted |  |  | 116,457 |  |  |  | 116,427 |  |  |  | 101,487 |
Net income (loss) per share — basic |  | $ | (0.09 | ) |  | $ | 0.08 |  |  | $ | (0.04 | )
Net income (loss) per share — diluted |  | $ | (0.09 | ) |  | $ | 0.08 |  |  | $ | (0.04 | )
The diluted net loss per share is the same as basic net loss per share for the years ended December 31, 2012 and 2010 because potential common shares are only considered when their effect would be dilutive.

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=16381557&loc=d3e4984-109258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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